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JEE Mains · Chemistry · STD 11 - 4. Chemical bonding and molecular structure

स्पीशीज \(\left[ FeCl _{4}\right]^{2-},\left[ Co \left( C _{2} O _{4}\right)_{3}\right]^{3-}\) तथा \(MnO _{4}^{2-}\) के परिकलित चुम्बकीय आघूर्ण (केवल चक्रण मान) है क्रमशः

  1. A \(5.82,0\) तथा \(0\, BM\)
  2. B \(4.90,0\) तथा \(1.73\, BM\)
  3. C \(5.92,4.90\) तथा \(0 \,BM\)
  4. D \(4.90,0\) तथा \(2.83 \,BM\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(4.90,0\) तथा \(1.73\, BM\)

Step-by-step Solution

Detailed explanation

\((i)\) \(\left[ FeCl _{4}\right]^{-2}\) \(\mu =\sqrt{ n ( n +2)} \,BM\) \(=\sqrt{4(4+2)}\, BM\) \(=\sqrt{24}\, BM \Rightarrow 4.90\, BM\) \((ii)\) \(\left[ Co \left( C _{2} O _{4}\right)_{3}\right]^{-3}\) \(\mu=0\) \((iii)\) \(MnO _{4}^{-2}\)…
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